求翻译：不过，我很清楚，我不能没有艰苦的努力取得成功，作为一个外交官，要有良好的外语，首先是英语，我的英语一直不好，我认为这方面多多加强，是什么意思？

However, I know, I can't do without strenuous efforts succeed, as a diplomat, to have good language, first in English, my English is poor, I think that more strengthening,